181369840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73133}}^1$

素因数の和:73177

約数の個数: 40

約数和(自身を含む): 435293568

約数和(自身を除く): 253923728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 73133, 146266, 292532, 365665, 585064, 731330, 1170128, 1462660, 2267123, 2925320, 4534246, 5850640, 9068492, 11335615, 18136984, 22671230, 36273968, 45342460, 90684920, 181369840]

約数ペア:

[(1, 181369840), (2, 90684920), (4, 45342460), (5, 36273968), (8, 22671230), (10, 18136984), (16, 11335615), (20, 9068492), (31, 5850640), (40, 4534246), (62, 2925320), (80, 2267123), (124, 1462660), (155, 1170128), (248, 731330), (310, 585064), (496, 365665), (620, 292532), (1240, 146266), (2480, 73133)]